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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATMEGA328P-MU
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ATMEGA328P-MU - Microchip Technology

Manufacturer Part Number
ATMEGA328P-MU
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATMEGA328P-MU
ECAD Model
Parts Description
IC MCU 8BIT 32KB FLASH 32VQFN
Detailed Description
Package
32-VFQFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Specifications

ATMEGA328P-MU Tech Specifications
Microchip Technology - ATMEGA328P-MU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATMEGA328P-MU

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V  
Supplier Device Package 32-VQFN (5x5)  
Speed 20MHz  
Series AVR® ATmega  
RAM Size 2K x 8  
Program Memory Type FLASH  
Program Memory Size 32KB (16K x 16)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 32-VFQFN Exposed Pad  
Package Tray  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 23  
Mounting Type Surface Mount  
EEPROM Size 1K x 8  
Data Converters A/D 8x10b  
Core Size 8-Bit  
Core Processor AVR  
Connectivity I²C, SPI, UART/USART  
Base Product Number ATMEGA328  

Parts Introduction

Manufacturer Part Number

ATMEGA328P-MU

Manufacturer

Microchip Technology

Introduction

High-performance, low-power Atmel 8-bit AVR Microcontroller

Product Features and Performance

20MHz maximum operating frequency

32KB In-system programmable Flash

1KB EEPROM

2KB internal SRAM

23 programmable I/O lines

Six PWM channels

Eight-channel 10-bit A/D converter

SPI and I2C communication protocols supported

USART serial communication

Internal Oscillator

Product Advantages

Complete system-on-chip for embedded applications

Low power consumption options for battery-sensitive designs

Broad range of peripherals for enhanced functionality

Self-programmability for future firmware updates

Key Technical Parameters

8-Bit AVR Core Processor

20MHz Operational Speed

32KB FLASH Memory

1KB EEPROM

2KB SRAM

23 I/O Lines

8V to 5.5V Supply Voltage Range

Operating Temperature from -40°C to 85°C

Quality and Safety Features

Brown-out Detection

Power-On Reset

Programmable Watchdog Timer

Compatibility

Supports SPI, I2C, and USART peripherals

Can interface with many sensors and actuators

Application Areas

DIY electronics

Industrial control systems

Automotive

Internet of Things (IoT) devices

Robotics

Product Lifecycle

Active

Not reported as nearing discontinuation

Replacements and upgrades available within the AVR product line

Reasons to Choose This Product

Flexible power supply voltage suitable for various applications

Broad temperature range accommodating for harsh environments

Diverse built-in peripherals enabling a variety of applications

AVR architecture known for simplicity and efficiency in embedded systems

Large community support for development resources and troubleshooting

Easy mounting with QFN package for space-sensitive applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATMEGA328P-MU

Product Attribute ATMEGA328P-MU ATMEGA328P-AUR ATMEGA328PB-MBTVAO ATMEGA328P-MMHR
Part Number ATMEGA328P-MU ATMEGA328P-AUR ATMEGA328PB-MBTVAO ATMEGA328P-MMHR
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package / Case 32-VFQFN Exposed Pad 32-TQFP 32-VFQFN Exposed Pad 28-VFQFN Exposed Pad
Program Memory Size 32KB (16K x 16) 32KB (16K x 16) 32KB (16K x 16) 32KB (16K x 16)
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 105°C (TA) -40°C ~ 85°C (TA)
Connectivity I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART
Series AVR® ATmega AVR® ATmega Automotive, AEC-Q100, AVR® ATmega, Functional Safety (FuSa) AVR® ATmega
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Number of I/O 23 23 27 23
Core Processor AVR AVR AVR AVR
EEPROM Size 1K x 8 1K x 8 1K x 8 1K x 8
RAM Size 2K x 8 2K x 8 2K x 8 2K x 8
Base Product Number ATMEGA328 ATMEGA328 ATMEGA328 ATMEGA328
Oscillator Type Internal Internal Internal Internal
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Speed 20MHz 20MHz 20MHz 20MHz
Supplier Device Package 32-VQFN (5x5) 32-TQFP (7x7) 32-VFQFN (5x5) 28-VQFN (4x4)
Package Tray Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V
Data Converters A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b
Program Memory Type FLASH FLASH FLASH FLASH

ATMEGA328P-MU Datasheet PDF

Download ATMEGA328P-MU pdf datasheets and Microchip Technology documentation for ATMEGA328P-MU - Microchip Technology.

Datasheets
Cylindrical Battery Holders.pdf
Errata
2.73KHz.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATMEGA328P-MU Image

ATMEGA328P-MU

Microchip Technology
32D-ATMEGA328P-MU

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